Matter Vocabulary Review

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Across
  1. 4. the area around the nucleus of an atom where electrons are located
  2. 6. a diagram that shows an atom's nucleus surrounded by an electron cloud
  3. 9. a set of letters that are used to represent an element
  4. 12. The basic building blocks of matter that make up everyday objects
  5. 13. A substance made up of two or more different elements joined by chemical bonds
  6. 14. the number of protons plus the number of neutrons contained in an atom's nucleus
  7. 17. the center of an atom that contains the protons and neutrons
  8. 18. positively charged subatomic particles found in the nucleus
  9. 19. negative charged subatomic particles found in the electron cloud
  10. 21. the substance that does the dissolving in a solution
  11. 22. the electrons on the outer shell of an atom that are involved in forming bonds
Down
  1. 1. A sample of matter, either a single element or a single compound
  2. 2. A combination of two or more substances that are not chemically combined
  3. 3. a mixture that is evenly mixed all the way through
  4. 5. a mixture that is not uniform throughout.
  5. 7. anything that has mass and takes up space
  6. 8. a pure substance made of only one kind of atom
  7. 10. the number of protons or electrons contained in a neutral atom of an element
  8. 11. a mixture that forms when one substance dissolves another
  9. 15. Two or more atoms chemically combined
  10. 16. neutral charged subatomic particles found in the nucleus
  11. 20. the substance that is dissolved in a solution